ISRO Announces Details For Aditya L1: India’s Mission To Study The Sun!
After its gigantic leap into lunar studies with the success of Chandrayaan -3 , India is taking the next step and moving on the Sun. The Sun will be the subject of India’s very first space-based scientific mission, which will be called Aditya L1. It is planned to position the spacecraft in a halo orbit around the Lagrange point 1 (L1) of the Sun-Earth system, which is located around 1.5 million kilometres away from the planet Earth. The most significant benefit that comes with having a satellite in a halo orbit around the L1 point is the ability to observe the Sun nonstop without experiencing any occultation or eclipse. ISRO Has announced the details of this mission. Aditya-L1, the first space-based Indian observatory to study the Sun, is slated to be launched from Sriharikota on September 2, 2023 at 11:50 Hours IST.

This will provide an even larger edge when it comes to studying the solar activity and how they affect the weather in space in real time. Using electromagnetic, particle, and magnetic field detectors, the spacecraft is equipped to study the photosphere, chromosphere, and outermost layers of the Sun (the corona). It carries seven payloads. By utilising the unique vantage point L1, four payloads directly observe the Sun, while the remaining three payloads carry out in-situ investigations of particles and fields at the Lagrange point L1. This allows for crucial scientific studies of the propagatory influence of solar dynamics in the interplanetary medium to be conducted.

In order to comprehend the problem of coronal heating, coronal mass ejection, pre-flare and flare activities and their features, dynamics of space weather, propagation of particle and fields, etc., the suits of Aditya L1 payloads are anticipated to offer the most significant information.

1. Studying the dynamics of the Sun’s upper atmosphere (including the chromosphere and corona) is one of the primary scientific goals of the Aditya-L1 mission.

2. The investigation of chromospheric and coronal heating, the physics of partially ionised plasma, the beginning of coronal mass ejections, and flares.

3. Perform in-situ observations of the particle and plasma environment, which will provide data for the investigation of particle dynamics originating from the Sun.

4. The physics of the solar corona and the mechanism that causes its heating.

5. Temperature, velocity, and density are the diagnostic parameters for the plasma in the corona and the coronal loops.

6. The evolution, behaviour, and primary sources of CMEs.

7. Determine the order of the activities that take place at different levels of the sun (such as the chromosphere, the base, and the extended corona) that ultimately result in solar eruptive events.

8. Both the structure of the magnetic field and measurements of the magnetic field can be found in the solar corona.

9. The origin, make-up, and movement of solar wind all play a role in the formation of space weather.

Here is wishing the Indian Space Research Team All The Best.